G - Physics
01
G
249/9, 341/34.4
G01G 13/14 (2006.01) G01G 13/29 (2006.01) G01G 13/295 (2006.01) G01G 23/16 (2006.01)
Patent
CA 1214843
ABSTRACT OF THE DISCLOSURE A weighing system is disclosed which operates in conjunction with a scale that has a trigger mechanism for terminating the flow of material into the scale's bucket. This system automatically periodically revises a tare signal stored in a latch circuit for combination with a weight signal to produce a net weight signal. The tare signal provides a measure of the residue stuck in the scale bucket. In an additional embodiment of the invention, a programmable controller is used as the means for periodically resetting the tare signal and is used to evaluate the final weight data produced by the scale in order to form a computer setpoint signal to adjust the triggering of the flow termination so that the final weights will most closely approximate the desired predetermined weight.
450533
Catrambone Frank A.
Dee Gerald M.
Pneumatic Scale Corporation
Smart & Biggar
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